rear disc break conversion...

zeustheram · Mar 8, 2015

over the summer i may do a rear disc conversion. what do yall think about it?

Johnn123 · Mar 9, 2015

I think it'd be simple (ish). Grab a 3rd gen 9.25 and swap your leaf spring perches to it, everything else should bolt right up. Speed sensor may need modification.

zeustheram · Mar 9, 2015

yeah been thinking about it. and how much it would cost. i have a dana 60 with drum brakes in the rear. i was hoping i could pop the drums off and somehow do the rear disc brake i know ill have to add a few things here and there

Merc225hp · Mar 9, 2015

You will have to find a conversion kit on the web to do this. Maybe Rowdyram know of something else.

zeustheram · Mar 9, 2015

i just saw one and they wanted like $900+

Merc225hp · Mar 9, 2015

not cheap eh, one other option is to find a 80 with factory disc brakes but finding one with 4.10 is not going to be easy at all.

rowdyram · Mar 10, 2015

I don't know of any specific setups but I would just go to the wrecking yard and buy the backing plates and lines off a 3gen then buy new calipers pads and rotors.
You will also need to deal with your residual pressure valve in your master

Oh didn't see that yours is 3/4.
The ford Dana 60 should have the same flange pattern. That may broaden your search just make sure its for a pre 99 ford or else it will be a different bolt pattern

Merc225hp · Mar 10, 2015

Lol I was going to ask if the AAM parts fit the Dana diff's but I see you edited your post. So 99 under Ford ok good to know thank you Sir.

rowdyram · Mar 10, 2015

You should be able to use post 99 backing plates and calipers from a ford and just buy pre 99 rotors.
Edit
I just looked and Dana 70 disk from a 2gen is the same mounting as a 60. Wrecking yard a dodge disk setup and get the master off that truck as well

Merc225hp · Mar 10, 2015

Thanks Rowdyram, I have the big master already from when I did the 60 swap. I am very happy with the rear drum's, if I run across these parts I might do the upgrade.

rowdyram · Mar 10, 2015

You need a master that doesn't have a residual pressure valve

Merc225hp · Mar 10, 2015

Yep I got that thanks, I was just letting you know I did upgrade for the 60's

rowdyram · Mar 10, 2015

Oh I see. Nice. I think ditching the 9.25 is the best thing you can do to a 2 gen.

Merc225hp · Mar 10, 2015

Yes so do I.

Not to thread jack but you had mentioned about using the 9.25 clutch packs in the 60 rear can you explain more via pm or here. I want to do a Dl again but the bucks are not ready yet, but I have a set of 9.25 clutch packs here just begging to be used if possible.

rowdyram · Mar 11, 2015

Other way round. 60 parts in a 9.25 or Ford 9.75 parts in a 60. The ford racing frictions is what I used

Merc225hp · Mar 11, 2015

rowdyram said:
Other way round. 60 parts in a 9.25 or Ford 9.75 parts in a 60. The ford racing frictions is what I used

Thank you Sir I will look into this, but the wife says just wait and get the Dl in a month so I might just hold off.

rowdyram · Mar 11, 2015

I think I'd go Detroit too

Merc225hp · Mar 11, 2015

Your op on 38.7 Michelin XML Militery tires (yes DOT tire) @ 120 lbs each and 5.36 ratio? Thats the ratio I am looking at going with.

Edit: All severe mountain driving and max speed of 65mph no more towing with this truck.

Hemi450hp · Mar 11, 2015

Disc Brake Kit Rear - 1 (Single) Piston with 11.25in Rotor

This is a disc conversion that is a little under $700 after shipping. I am installing this kit on my 2011 as we speak to allow me to run a 15" wheel out back.

Merc225hp · Mar 11, 2015

Hemi450hp said:
Disc Brake Kit Rear - 1 (Single) Piston with 11.25in Rotor

This is a disc conversion that is a little under $700 after shipping. I am installing this kit on my 2011 as we speak to allow me to run a 15" wheel out back.

Op and myself have a Dana 60 rear and that kit is over $1,600 to rich for my blood, but a very nice kit. I did not see a listing for a single piston caliper kit so had to go two piston kit.

Disc Brake Kit Rear - 2 Piston Super Twin with 12in Rotor

Thanks for the info Moe's Performance

rear disc break conversion...

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